/Engine/Plugins/Experimental/CineCameraRigs/Source/CineCameraRigs/Public/CineSplineComponent.h
Set focal lenght metadata at a given splint point
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="CineSpline") void SetFocalLengthAtSplinePoint ( const int32 PointIndex, const float Value )